/Engine/Source/Runtime/Core/Public/Compression/OodleDataCompressionUtil.h
Provides access to the compressed and decompressed sizes.
0 if the FCompressedArray isn't valid, or if the compressed array requires PeekSizes64. Otherwise, the offset to the compressed data in the array.
namespace FOodleCompressedArray { int32 FOodleCompressedArray::PeekSizes ( [TArray](API\Runtime\Core\Containers\TArray)< uint8 > const & InCompressed, int32 & OutCompressedSize, int32 & OutDecompressedSize ) }